diff --git a/src/wp-includes/option.php b/src/wp-includes/option.php
index 5749f8b775..ab8f81b875 100644
--- a/src/wp-includes/option.php
+++ b/src/wp-includes/option.php
@@ -670,7 +670,7 @@ function get_transient( $transient ) {
  * @since 2.8.0
  *
  * @param string $transient  Transient name. Expected to not be SQL-escaped. Must be
- *                           45 characters or fewer in length.
+ *                           172 characters or fewer in length.
  * @param mixed  $value      Transient value. Must be serializable if non-scalar.
  *                           Expected to not be SQL-escaped.
  * @param int    $expiration Optional. Time until expiration in seconds. Default 0.